Press Windows key + Left Arrow or Right Arrow to snap a window to one side
Drag a window to the left or right edge of the screen until it snaps
On Windows, open Task View and choose another app for the other half of the screen
Use Windows key + Up Arrow or Down Arrow to resize snapped windows
On Mac, click and hold the green full-screen button, then choose Tile Window to Left of Screen or Right of Screen
On Mac, drag a window to the left or right side until split view activates
Adjust the divider between the two windows to change the split size
On Linux, use the window manager shortcuts or drag windows to screen edges to tile them
On Chromebooks, press Alt + [ or Alt + ] to snap windows left or right
Open two apps side by side and resize them as needed